CN110806189B - Article management system - Google Patents
Article management system Download PDFInfo
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- CN110806189B CN110806189B CN201910987137.3A CN201910987137A CN110806189B CN 110806189 B CN110806189 B CN 110806189B CN 201910987137 A CN201910987137 A CN 201910987137A CN 110806189 B CN110806189 B CN 110806189B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
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Abstract
The present invention provides an article management system, including: a rack on which a plurality of articles are placed; a sensing device, comprising: the first moving piece is movably arranged on any side of the commodity shelf; the first driving unit drives the first moving part to move along a first axis relative to the plurality of articles according to a first driving parameter; the second moving part is movably connected with the first moving part; the second driving unit drives the second moving part to move along a second axis relative to the plurality of articles according to a second driving parameter; the touch sensors are arranged on the second moving piece and are arranged along a third axis, and the first axis, the second axis and the third axis are mutually vertical; a storage unit storing individual size information of the article; and the processing unit is used for obtaining the overall size information of the plurality of articles according to the first driving parameter, the second driving parameter and the sensing signals of the plurality of touch sensors, and obtaining the number of the plurality of articles according to the overall size information and the individual size information.
Description
Technical Field
The invention relates to the technical field of warehouse management, in particular to an article management system.
Background
Generally, retailers such as convenience stores, supermarkets, department stores, etc. often store various items on shelves. With the passing of time, the goods on the shelf will increase and decrease due to the actions of sales, replenishment and the like. At present, people can only rely on manual patrol of the commodity shelf and count the quantity of articles on the commodity shelf manually. If the related personnel do not find that the goods are in shortage or surplus in time, the goods cannot be replenished or promoted quickly and efficiently, and the sales management and the income of the goods are influenced.
Therefore, there is a need for a new article management system to overcome the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide an article management system which can automatically measure the number of articles on an article shelf.
To achieve the above object, the present invention provides an article management system, comprising: a rack on which a plurality of articles are placed; a sensing device, comprising: the first moving piece is movably arranged on any side of the shelf; the first driving unit drives the first moving part to move along a first axis relative to the plurality of articles according to a first driving parameter; the second moving part is movably connected with the first moving part; the second driving unit drives the second moving part to move along a second axis relative to the plurality of articles according to a second driving parameter; the touch sensors are arranged on the second moving piece and are arranged along a third axis, and the first axis, the second axis and the third axis are mutually vertical; a storage unit storing individual size information of the article; and the processing unit is used for obtaining the overall size information of the plurality of articles according to the first driving parameter, the second driving parameter and the sensing signals of the plurality of touch sensors, and obtaining the quantity of the plurality of articles according to the overall size information and the individual size information.
Preferably, the first driving unit and the second driving unit are step motors, and the first driving parameter and the second driving parameter are the number of steps of the step motors.
Preferably, the sensing device further comprises: the pattern generating units are arranged on the second moving piece, and each pattern generating unit corresponds to one of the touch sensors; the image capturing units are arranged on the second moving piece, and each image capturing unit corresponds to one of the touch sensors; the processing unit judges whether cavities exist in the articles according to the sensing signals of the touch sensors; when the processing unit judges that the holes exist in the plurality of articles, the processing unit controls the pattern generating unit corresponding to the holes to project patterns and controls the image capturing unit corresponding to the holes to capture images; the processing unit determines the depth of the cavity according to the size of the pattern in the image.
Preferably, the sensing device further comprises: the third moving piece is movably arranged on the second moving piece; the third driving unit is used for driving the third moving part to move relative to the second moving part; the pattern generating unit is arranged on the third moving part; the image capturing unit is arranged on the third moving part; the processing unit judges whether cavities exist in the articles according to the sensing signals of the touch sensors; when the processing unit judges that the holes exist in the plurality of articles, the processing unit controls the third driving unit to drive the third moving member to move, so that the pattern generating unit and the image capturing unit move to positions corresponding to the holes; the processing unit controls the pattern generating unit to project a pattern and controls the image capturing unit to capture an image; the processing unit determines the depth of the cavity according to the size of the pattern in the image.
Preferably, the processing unit determines the number of the missing articles corresponding to the cavity according to the depth of the cavity and the individual size information of the articles.
Preferably, when the overall size information does not match the individual size information, the processing unit determines that at least one of the plurality of articles is placed incorrectly.
Preferably, the sensing device further comprises an image capturing unit disposed on the second moving member; the image capturing unit captures a plurality of images for the plurality of articles within a preset time; the processing unit analyzes the images to obtain the moving situations of the articles, and judges whether the articles are hot articles according to the moving situations of the articles.
Preferably, the processing unit obtains the moving status of the plurality of articles according to the sensing signals of the plurality of touch sensors, and determines whether the plurality of articles are hot articles according to the moving status of the plurality of articles.
Preferably, the processing unit outputs a notification message when the number of the plurality of articles is less than a predetermined threshold value.
Preferably, the overall size information of the plurality of articles includes the length, width, height and/or volume of the plurality of articles, and the individual size information of the single article includes the length, width, height and/or volume of the single article.
Compared with the prior art, the invention obtains the overall size information of the article placed on the storage rack through the mutual matching among the first moving part, the first driving unit, the second moving part, the second driving unit and the touch sensor in the sensing device. Then, the number of the articles can be obtained from the overall size information of the articles and the individual size information of the articles. Therefore, related personnel can judge whether the goods are in shortage or surplus according to the quantity of the goods, so as to quickly and efficiently replenish goods or promote sales of the goods, and further improve the sales management and the income of the goods.
Drawings
FIG. 1 is a schematic diagram of an article management system provided by an embodiment of the present invention;
FIG. 2 is a functional block diagram of an article management system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an article management system according to another embodiment of the present invention;
FIG. 4 is a schematic diagram of an article management system according to another embodiment of the present invention;
fig. 5 is a schematic diagram of an article management system according to another embodiment of the present invention.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Certain terms are used throughout the description and following claims to refer to particular components. As one of ordinary skill in the art will appreciate, manufacturers may refer to a component by different names. The present specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic diagram of an article management system 1 according to an embodiment of the present invention, and fig. 2 is a functional block diagram of the article management system in fig. 1.
As shown in fig. 1 and 2, the article management system 1 includes a shelf 10, a sensing device 12, a storage unit 14, and a processing unit 16. The sensing device 12 includes a first moving member 120, a first driving unit 122, a second moving member 124, a second driving unit 126, and a plurality of touch sensors 128. The processing unit 16 is coupled to the storage unit 14, the first driving unit 122, the second driving unit 126 and the touch sensor 128 for performing related control. In this embodiment, the storage unit 14 may be a memory or other data storage device, the processing unit 16 may be a processor or controller with signal processing function, and the touch sensor 128 may be a pressure sensor or other sensor.
As shown in fig. 1, a plurality of articles 3 are placed on the shelf 10. The first moving member 120 is movably disposed on any side of the shelf 10. The first driving unit 122 can drive the first moving member 120 to move along the first axis X relative to the plurality of articles 3 with a first driving parameter. The second moving member 124 is movably connected to the first moving member 120. The second driving unit 126 can drive the second moving member 124 to move along the second axis Y relative to the plurality of articles 3 with the second driving parameter. The touch sensors 128 are disposed on the second moving member 124 and arranged along the third axis Z. The first axis X, the second axis Y, and the third axis Z are perpendicular to each other. In addition, the storage unit 14 stores individual size information of the articles 3 (e.g., length, width, height and/or volume of a single article 3).
The processing unit 16 can obtain the overall size information (e.g., the total length, width, and/or the total volume of all the articles 3 on the rack 10) of the articles 3 according to the first driving parameter of the first driving unit 122, the second driving parameter of the second driving unit 126, and the sensing signals of the touch sensors 128, and obtain the number of the articles 3 (e.g., dividing the overall size information by the individual size information) according to the overall size information and the individual size information. In this embodiment, the first driving unit 122 and the second driving unit 126 may be step motors, and the first driving parameter and the second driving parameter may be the number of steps of the step motors.
As shown in fig. 1, the length, width and height of the single article 3 on the rack 10 are L × W × H. Further, the rightmost position of all articles 3 may be set as the measurement starting point, and the leftmost position of all articles 3 may be set as the measurement ending point, wherein the rightmost position and the leftmost position of all articles 3 may be stored in the storage unit 14. Before measuring the number of the objects 3 on the rack 10, the first moving member 120 may be located at the rightmost position (i.e., the measurement starting point) of all the objects 3, and the second moving member 124 may be located at the uppermost position of the first moving member 120. Then, the first driving unit 122 can drive the first moving member 120 to move leftward along the first axis X by a predetermined distance, wherein the predetermined distance is smaller than the length L of the single article 3. Then, the second driving unit 126 can drive the second moving member 124 to move downward along the second axis Y. When at least a portion of the touch sensor 128 contacts the object 3 to generate a sensing signal, the second driving unit 126 stops driving the second moving member 124 to move downward along the second axis Y. At this time, the processing unit 16 can record the position of the touch sensor 128 generating the sensing signal in the storage unit 14. Then, the second driving unit 126 can drive the second moving member 124 to move upward along the second axis Y to the uppermost position of the first moving member 120. Then, the first driving unit 122 can drive the first moving member 120 to move leftward along the first axis X by the predetermined distance, and the above steps are repeated until the first moving member 120 moves to the leftmost position (i.e., the measurement end point) of all the articles 3. Then, the processing unit 16 can obtain the total length Lt of all the objects 3 on the shelf 10 according to the first driving parameter of the first driving unit 122 driving the first moving member 120 to move, obtain the total height Ht of all the objects 3 on the shelf 10 according to the second driving parameter of the second driving unit 122 driving the second moving member 124 to move, and obtain the total width Wt of all the objects 3 on the shelf 10 according to the sensing signals of the touch sensors 128.
For example, if the first driving unit 122 drives the first moving member 120 to move from the rightmost position to the leftmost position of all the articles 3 by 50 steps (the first driving parameter), and the distance corresponding to each step of the first driving unit 122 is 5 cm, the total length Lt of all the articles 3 is 250 cm. In addition, the height H1 of the first moving member 120 can be recorded in the storage unit 14, and the lowest point of the first moving member 120 corresponds to the top surface of the shelf 10. Assuming that the second driving unit 126 drives the second moving member 124 to move downward 10 steps (second driving parameter) from the uppermost position of the first moving member 120, at least a part of the touch sensors 128 generate sensing signals, and the distance corresponding to each step of the second driving unit 126 is 5 cm, the total height Ht of all the articles 3 is (H1-50) cm. Furthermore, the present invention can record the distance between two adjacent touch sensors 128 in the storage unit 14. If 11 touch sensors 128 generate sensing signals and the distance between two adjacent touch sensors 128 is 5 cm, the total width Wt of all articles 3 is 50 cm (10 distances exist between 11 touch sensors 128).
Thus, the processing unit 16 can obtain the overall size information Lt × Wt × Ht of the articles 3 according to the first driving parameter of the first driving unit 122, the second driving parameter of the second driving unit 126, and the sensing signals of the touch sensors 128. Then, the processing unit 16 divides the overall size information Lt × Wt × Ht by the individual size information L × W × H to obtain the number of the plurality of articles 3.
It should be noted that, when the overall size information Lt × Wt × Ht does not match the individual size information L × W × H (for example, the overall size information Lt × Wt × Ht and the individual size information L × W × H cannot be divided), the processing unit 16 may determine that at least one of the articles 3 is placed incorrectly (for example, other articles are mixed into the article 3). At this time, the processing unit 16 may further output an alert message to notify the attention of the relevant person. The warning message may be generated by image, text, sound, light or a combination thereof, which is not limited by the present invention.
In addition, when the number of the plurality of articles 3 is less than the predetermined threshold value, it indicates that the articles 3 on the article shelf 10 are in short supply. At this time, the processing unit 16 may output notification information (e.g., replenishment notice) to notify the attention of the relevant person. The notification message may be a short message, but is not limited thereto.
In this embodiment, the processing unit 16 can further obtain the moving situations of the articles 3 according to the sensing signals of the touch sensors 128, and determine whether the articles 3 are hot articles according to the moving situations of the articles 3. For example, the position corresponding to the touch sensor 128 that does not generate the sensing signal is the position where the article 3 is not placed (i.e., the article 3 is taken away), and therefore, more touch sensors 128 that do not generate the sensing signal indicate that more articles 3 are taken away. At this time, it is determined that the article 3 is a hot article.
Referring to fig. 3, fig. 3 is a schematic diagram of an article management system 1' according to another embodiment of the invention. As shown in fig. 3, the main difference between the article management system 1 'and the article management system 1 is that the article management system 1' further includes an image capturing unit 18. The image capturing unit 18 is disposed on the second moving member 124. In addition, the image capturing unit 18 is also coupled to the processing unit 16. In this embodiment, the image capturing unit 18 can capture a plurality of images of the plurality of articles 3 within a predetermined time (e.g., 30 minutes, 1 hour, etc.). Then, the processing unit 16 can analyze the images by image recognition technology to obtain the moving situations of the articles 3, and determine whether the articles 3 are hot articles according to the moving situations of the articles 3. For example, when the processing unit 16 determines that a plurality of articles 3 are taken away in a large amount within a predetermined time according to a plurality of images, it is determined that the articles 3 are hot articles.
Referring to fig. 4, fig. 4 is a schematic view of an article management system 1 ″ according to another embodiment of the invention. As shown in fig. 4, the main difference between the article management system 1 "and the article management system 1 is that the sensing device 12 in the article management system 1" further includes a plurality of pattern generating units 130 and a plurality of image capturing units 132. The pattern generating unit 130 and the image capturing unit 132 are disposed on the second moving member 124, wherein each pattern generating unit 130 corresponds to one of the touch sensors 128, and each image capturing unit 132 corresponds to one of the touch sensors 128. In addition, the pattern generating unit 130 and the image capturing unit 132 are also coupled to the processing unit 16.
In this embodiment, the processing unit 16 can determine whether there is a hole in the articles 3 according to the sensing signals of the touch sensors 128. As shown in fig. 4, when the touch sensor 128 located in front of the second moving part 124 does not generate a sensing signal, the processing unit 16 can determine that there is a hole corresponding to the position of the touch sensor 128 in front of the second moving part 124. When the processing unit 16 determines that there is a hole in the plurality of articles 3, the processing unit 16 may control the pattern generating unit 130 corresponding to the hole to project the pattern 134, and control the image capturing unit 132 corresponding to the hole to capture the image. Then, the processing unit 16 can determine the depth D of the hole according to the size of the pattern 134 in the image.
In this embodiment, the pattern generating unit 130 may be a laser module including a laser light source and a shield having a specific hollow pattern. When the laser source emits a laser beam, the laser beam passes through the specific hollow pattern of the mask to form the pattern 134. Since the distance between the imaging plane and the laser source is proportional to the size of the projected pattern 134, the processing unit 16 can compare the size of the pattern 134 according to the image captured by the image capturing unit 132 to determine the depth D of the cavity. Then, the processing unit 16 can determine that the cavity lacks several articles 3 according to the depth D of the cavity and the height H of the single article 3. For example, when D/H is 2, it indicates that the cavity lacks two articles 3. Thus, even if a void exists between a plurality of articles 3, the present invention can accurately measure the actual number of articles 3.
Referring to fig. 5, fig. 5 is a schematic view of an article management system 1' ″ according to another embodiment of the present invention. As shown in fig. 5, the main difference between the article management system 1 '"and the article management system 1" is that the article management system 1' "further includes a third moving element 136 and a third driving unit 138, and the sensing device 12 only includes the pattern generating unit 130 and the image capturing unit 132. The third moving member 136 is movably disposed on the second moving member 124. The third driving unit 138 is used for driving the third moving member 136 to move along the third axis Z relative to the second moving member 124. In this embodiment, the third driving unit 138 may be a stepping motor, but not limited thereto. The pattern generating unit 130 and the image capturing unit 132 are disposed on the third moving member 136. In addition, the pattern generating unit 130, the image capturing unit 132 and the third driving unit 138 are also coupled to the processing unit 16.
In this embodiment, the processing unit 16 can determine whether there is a hole in the articles 3 according to the sensing signals of the touch sensors 128. As shown in fig. 5, when the touch sensor 128 located in front of the second moving part 124 does not generate a sensing signal, the processing unit 16 can determine that there is a hole corresponding to the position of the touch sensor 128 in front of the second moving part 124. When the processing unit 16 determines that there is a void in the articles 3, the processing unit 16 may control the third driving unit 138 to drive the third moving member 136 to move, so that the pattern generating unit 130 and the image capturing unit 132 move to the positions corresponding to the void. Then, the processing unit 16 can control the pattern generating unit 130 to project the pattern 134 and control the image capturing unit 132 to capture the image. Then, the processing unit 16 can determine the depth D of the hole according to the size of the pattern 134 in the image. It should be noted that how to determine the depth D of the cavity and how to determine that the cavity lacks several articles 3 are as described above, and are not described herein again.
In summary, the present invention obtains the overall dimension information of the object placed on the storage rack by the mutual cooperation among the first moving member, the first driving unit, the second moving member, the second driving unit and the touch sensor in the sensing device. Then, the number of the articles can be obtained from the overall size information of the articles and the individual size information of the articles. Therefore, related personnel can judge whether the goods are in shortage or surplus according to the quantity of the goods, so as to quickly and efficiently replenish goods or promote sales of the goods, and further improve the sales management and the income of the goods. In addition, when the plurality of articles have the holes, the depth of the holes can be judged by the mutual matching of the pattern generating unit and the image capturing unit, and further, the holes are judged to lack a plurality of articles. Therefore, even if holes exist among a plurality of articles, the invention can accurately measure the actual quantity of the articles.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (9)
1. An article management system, comprising:
a rack on which a plurality of articles are placed;
a sensing device, comprising:
the first moving piece is movably arranged on any side of the shelf;
the first driving unit drives the first moving part to move along a first axis relative to the plurality of articles according to a first driving parameter;
the second moving part is movably connected with the first moving part;
the second driving unit drives the second moving part to move along a second axis relative to the plurality of articles according to a second driving parameter;
the touch sensors are arranged on the second moving piece and are arranged along a third axis, and the first axis, the second axis and the third axis are mutually vertical;
the third moving piece is movably arranged on the second moving piece;
the third driving unit is used for driving the third moving part to move relative to the second moving part;
the pattern generating unit is arranged on the third moving part; and
the image acquisition unit is arranged on the third moving part;
a storage unit storing individual size information of the article; and
the processing unit is used for obtaining the overall size information of the articles according to the first driving parameter, the second driving parameter and the sensing signals of the touch sensors, obtaining the quantity of the articles according to the overall size information and the individual size information, and judging whether cavities exist in the articles according to the sensing signals of the touch sensors; when the processing unit judges that the holes exist in the plurality of articles, the processing unit controls the third driving unit to drive the third moving member to move, so that the pattern generating unit and the image capturing unit move to positions corresponding to the holes; the processing unit controls the pattern generating unit to project a pattern and controls the image capturing unit to capture an image; the processing unit determines the depth of the cavity according to the size of the pattern in the image.
2. The system of claim 1, wherein the first and second driving units are stepper motors, and the first and second driving parameters are step numbers of the stepper motors.
3. The article management system of claim 1, wherein the sensing device further comprises:
the pattern generating units are arranged on the second moving piece, and each pattern generating unit corresponds to one of the touch sensors; and
the image capturing units are arranged on the second moving member, and each image capturing unit corresponds to one of the touch sensors;
the processing unit judges whether cavities exist in the articles according to the sensing signals of the touch sensors; when the processing unit judges that the holes exist in the plurality of articles, the processing unit controls the pattern generating unit corresponding to the holes to project patterns and controls the image capturing unit corresponding to the holes to capture images; the processing unit determines the depth of the cavity according to the size of the pattern in the image.
4. The system for managing objects as claimed in claim 3, wherein the processing unit determines the quantity of the objects missing from the cavity according to the depth of the cavity and the information of the individual size of the objects.
5. The system of claim 1, wherein the processing unit determines that at least one of the plurality of objects is incorrectly placed when the overall dimension information does not match the individual dimension information.
6. The system for managing objects of claim 1, wherein the sensing device further comprises an image capturing unit disposed on the second moving member; the image capturing unit captures a plurality of images for the plurality of articles within a preset time; the processing unit analyzes the images to obtain the moving situations of the articles, and judges whether the articles are hot articles according to the moving situations of the articles.
7. The system of claim 1, wherein the processing unit obtains the moving status of the plurality of objects according to the sensing signals of the plurality of touch sensors, and determines whether the plurality of objects are hot objects according to the moving status of the plurality of objects.
8. The article management system according to claim 1, wherein the processing unit outputs a notification message when the number of the plurality of articles is less than a predetermined threshold value.
9. The system for managing objects as claimed in claim 1, wherein the overall size information of the objects includes the length, width, height and/or volume of the objects, and the individual size information of a single object includes the length, width, height and/or volume of the single object.
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| CN201910987137.3A CN110806189B (en) | 2019-10-17 | 2019-10-17 | Article management system |
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| CN201910987137.3A CN110806189B (en) | 2019-10-17 | 2019-10-17 | Article management system |
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| CN110806189B true CN110806189B (en) | 2022-03-08 |
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